PROBLEM SYMPTOMS TABLE
Troubleshooting
| Symptom |
Suspected area |
See page |
| Steering is heavy. |
1. Front tires (improperly inflated, unevenly worn) |
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| 2. Front wheel alignment (Incorrect) |
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| 3. Front suspension |
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| 4. Power steering gear assembly |
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| 5. Steering column assembly (Manual tilt) |
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| 6. Steering column assembly (Power tilt and Power telescopic) |
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| 7. Battery and power source system |
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| 8. Power source voltage of power steering ECU assembly |
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| 9. Power steering ECU assembly |
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| 10. Vehicle condition (The steering wheel is turned from left to right repeatedly with the vehicle stopped or a heavy load is continuously applied to the vehicle) |
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| Steering effort differs between right and left, or is uneven. |
1. Power steering ECU assembly (Steering center point is not recorded correctly) |
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| 2. Front tires (improperly inflated, unevenly worn) |
Click here
|
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| 3. Front wheel alignment (Incorrect) |
Click here
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| 4. Front suspension |
Click here
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| 5. Power steering gear assembly |
Click here
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| 6. Steering column assembly (Manual tilt) |
Click here
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| 7 Steering column assembly (Power tilt and Power telescopic) |
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| 8. Power steering ECU assembly |
Click here
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| While driving, steering effort does not change in accordance with vehicle speed, or the steering wheel does not return to its centered position easily. |
1. Speed sensor |
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| 2. Skid control ECU |
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| 3. Power steering gear assembly |
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| 4. Power steering ECU assembly |
Click here
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| Friction sounds occur when turning the steering wheel during low speed driving. |
1. Power steering gear assembly |
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| 2. Power steering ECU assembly |
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| High-pitched sounds (squeaking) occur when turning the steering wheel slowly with the vehicle stepped. |
1. Power steering gear assembly |
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| The steering wheel vibrates and noise occurs when turning the steering wheel with the vehicle stopped. |
1. Power steering gear assembly |
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| 2. Steering column assembly (Manual tilt) |
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| 3 Steering column assembly (Power tilt and Power telescopic) |
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| PS warning light remains on. |
PS warning light remains on |
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| PS warning light does not come on. |
PS warning light does not come on |
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